not surprisingly, both sides claimed victory. mitt romney's campaign said biden seemed off balance and strange. the president's team said the debate exposed the risks of electing a romney/ryan ticket. the next presidential debate is tuesday. randall pinkston, cbs news, danville, kentucky. and we can expect those poll results to change in the coming days as the samples are increased and the polling organizations dig deeper on the impact of these first and only vice-presidential debates. reporting live in danville, kentucky, i'm randall pinkston, back to you. >> randall, it's certainly interesting to watch a lot more sparks in this debate than the presidential debate. what were considered the strong and weak points of the candidate? >> well, after president obama's performance last week democrats have to show they are willing to fight and also defend the president's record. biden certainly did that. for mitt ryan, he had to stand up there with one of the most famous most powerful democrats in the nation his first time out on that k